grimm-nixos-laptop/common/tooling/nix.nix

{
  pkgs,
  lib,
  inputs,
  system,
  ...
}:
{
  environment.systemPackages = with pkgs; [
    (writeShellScriptBin "nix-referrers" "nix-store --query --referrers $@")
    (writeShellScriptBin "nixpkgs-review-head" "nixpkgs-review rev HEAD")

    nixpkgs-review
    nixfmt-rfc-style
    nixd
    nixpkgs-hammering
    nix-output-monitor
    nix-search-cli
    niv
    nvd
    vulnix
    nix-init
    inputs.nixpkgs-update.packages."${system}".default
  ];

  environment.sessionVariables =
    (lib.mkIf pkgs.config.allowUnfree { NIXPKGS_ALLOW_UNFREE = "1"; })
    // {
      NH_NOM = 1;
    };

  environment.shellAliases."rebuild" = "nixos-rebuild switch |& nom";

  grimmShared.tooling.lang_servers = [
    {
      lsp.package = pkgs.nil;
      fmt = {
        package = pkgs.nixpkgs-fmt;
        includes = [ "*.nix" ];
      };
    }
  ];

  nix.settings = {
    experimental-features = [
      "nix-command"
      "flakes"
      "pipe-operator"
    ];
    warn-dirty = false;
  };

  programs.nh = {
    enable = true;
    # clean.enable = true;
    clean.extraArgs = "--keep-since 14d --keep 16";
    flake = "/etc/nixos";
  };

  nix.gc = {
    automatic = true;
    dates = "weekly";
    options = "--delete-older-than 30d";
  };

  # nix.package = pkgs.nixVersions.latest;
  # nix.optimise.automatic = true;
}